Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature within a certain temperature range, but its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. Hot melt adhesive bonding uses a hot melt machine to melt the hot melt adhesive through heat. The melted adhesive becomes a liquid and is sent to the surface of the bonded object through the throat and spray gun of the hot melt adhesive machine. The hot melt adhesive is bonded after cooling. Hot melt adhesive has the following advantages for users:
● Fast curing speed reduces the amount of compression required for bonding, so the production speed can be increased and the equipment space can also be saved.
● Because 100% of the solid content is completely available, there is less waste, which can reduce transportation and storage costs.
● A wide range of substrates can be bonded and can be automated.
● Hot melt adhesive will not produce pollutants or pollute the environment during use.
The application field of hot melt adhesive products is very wide, and it is widely used in packaging, printing, labeling, furniture, building decoration, automobile and other industries.
1. Market status of my country's hot melt adhesive industry:
my country's hot melt adhesive industry ushered in a breakthrough after entering the 21st century, and began to enter a stage of rapid growth after early market accumulation and technological precipitation. Hot melt adhesive, as the main type of adhesive, has been rapidly developed in China, and China has now become one of the world's major hot melt adhesive production bases. Data show that in 2018, the total sales volume of hot melt adhesive in my country reached 1.0317 million tons, with an annual growth rate of 9.85%; in 2019, the total sales volume of hot melt adhesive in my country reached 1.126 million tons, with an annual growth rate of 9.18%; in 2020, the total sales volume of hot melt adhesive in China reached 1.221 million tons, with an annual growth rate of 8.43%.
It can be seen that in recent years, the sales volume of my country's hot melt adhesive industry has maintained a high growth rate. This is because with the improvement of domestic hot melt adhesive technology and product performance, the applicable market areas of hot melt adhesives are constantly expanding, the domestic economy continues to grow, the global industrial transfer of hot melt adhesive products, and the import substitution brought about by technological progress of domestic enterprises, as well as the encouragement and support of national policies for the new materials industry, have brought good development opportunities to domestic enterprises, and there is room for continued growth in market demand.
